CN117324523A - Forging and pressing heat treatment integrated equipment for producing rack - Google Patents

Abstract

The invention relates to forging and pressing heat treatment integrated equipment for producing a rack, and belongs to the technical field of rack production processes. Comprises a box body, and a heating part, a forging part and a heat treatment part which are arranged in the box body in a linear sequence; the heating part comprises a driving roller, a first driving component and a first heating component; the forging and pressing part comprises a first forging and pressing roller and a second forging and pressing roller, the two ends of the first forging and pressing roller and the second forging and pressing roller are respectively rotatably supported in the box body and are arranged in the vertical direction, and the driving rollers are parallel to the first forging and pressing roller and the second forging and pressing roller; the heat treatment part comprises a driven roller, a second driving assembly and a second heating assembly. The invention solves the problems of large production limitation and low production efficiency of gears in the prior art.

Description

Forging and pressing heat treatment integrated equipment for producing rack

Technical Field

The invention relates to forging and pressing heat treatment integrated equipment for producing a rack, and belongs to the technical field of rack production processes.

Background

A rack is a track system for transportation equipment consisting of a series of raised racks or corresponding grooves, commonly used for climbing railways. It differs from a conventional railway in that it is provided with a special toothed rail (rack) in the middle of the track, and correspondingly, a locomotive or motor car bogie running on the toothed rail is provided with one or more gears (toothed plates).

In the related art, the production process of the toothed rail generally comprises the technological processes of blanking forging stock, forging heating, die forging forming, heat treatment and the like, however, the toothed rail adopting the die forging forming has large size limitation, the blank is required to be continuously blanked, and the production efficiency is low.

There is therefore a need to propose a new solution to this problem.

Disclosure of Invention

The technical problems to be solved by the invention are as follows: the forging and pressing heat treatment integrated device for producing the rack solves the problems of large gear production limitation and low production efficiency in the prior art.

The technical problems to be solved by the invention are realized by adopting the following technical scheme:

a forging and pressing heat treatment integrated device for producing a rack comprises a box body, and a heating part, a forging and pressing part and a heat treatment part which are arranged in the box body in a linear sequence;

the heating part comprises a plurality of driving rollers, a first driving assembly and a first heating assembly, wherein the two ends of the driving rollers are respectively rotatably supported in the box body, the first driving assembly is used for driving blanks to move along the direction perpendicular to the axis of the driving rollers, the first heating assembly is used for heating the blanks, a feeding hole is formed in the side wall, close to one end of the driving rollers, of the box body, one end of each driving roller is sequentially connected through a gear assembly, and one end of each driving roller is connected with a rotating motor;

the forging and pressing part comprises a first forging and pressing roller and a second forging and pressing roller, the two ends of the first forging and pressing roller and the second forging and pressing roller are respectively rotatably supported in the box body and are arranged in the vertical direction, and the driving rollers are parallel to the first forging and pressing roller and the second forging and pressing roller;

the heat treatment part comprises a plurality of driven rollers, a second driving assembly and a second heating assembly, wherein the driven rollers are respectively rotatably supported in the box body at two ends of the driven rollers, the second driving assembly is used for driving blanks to move along the direction perpendicular to the axis of the driven rollers, the second heating assembly is used for heating the blanks, and a discharge hole is formed in the side wall, close to one end of each driven roller, of the box body.

The invention is further provided with: the first forging roller is provided with a plurality of first die grooves extending around the circumference of the first forging roller, a plurality of forging teeth are uniformly distributed around the circumference of the first forging roller in the first die grooves, the first die grooves are uniformly distributed around the circumference of the first forging roller, the second forging roller is provided with a plurality of second die grooves extending around the circumference of the second forging roller, and the second die grooves are uniformly distributed around the circumference of the second forging roller and correspond to the first die grooves one by one.

The invention is further provided with: the diameter of the addendum circle of the forging teeth in the first die grooves is sequentially increased in the driving direction of the first driving assembly, and the depth of the second die grooves is sequentially increased in the driving direction of the first driving assembly.

The invention is further provided with: the direction that lies in forging and pressing portion both sides in the box is equipped with first baffle and second baffle respectively, the box is inside to separate through first baffle and second baffle and to form heating chamber, forging and pressing chamber and heat treatment chamber, set up on the first baffle a plurality of first through-mouths of a plurality of first die cavity of one-to-one, set up on the second baffle a plurality of second through-mouths of one-to-one a plurality of first die cavity.

The invention is further provided with: the first driving assembly comprises two groups of first transmission chains respectively arranged on the inner walls of two opposite sides of the forging cavity through first chain wheels, a first driving motor fixedly arranged on the outer wall of the box body and connected with one of the first chain wheels, and a plurality of first driving plates, the two ends of which are respectively and fixedly connected with chain links of the two groups of first transmission chains, the first driving plates are in one-to-one correspondence with the chain links of the first transmission chains, a first accommodating groove for accommodating blanks is formed in the surface, away from the first chain wheels, of each first driving plate, the first driving plates are positioned above the driving roller, and the rotation axis of each first chain wheel is perpendicular to the axis of the driving roller;

the second driving assembly comprises two groups of second driving chains which are respectively arranged on the inner walls of two opposite sides of the heat treatment cavity through second chain wheels, a second driving motor which is fixedly arranged on the outer wall of the box body and connected with one of the second chain wheels, and a plurality of second driving plates which are respectively and fixedly connected with chain links of the two groups of second driving chains at two ends, wherein the second driving plates are in one-to-one correspondence with the chain links of the second driving chains, a second accommodating groove for accommodating blanks is formed in the surface, away from the second chain wheels, of the second driving plates, the second driving plates are positioned above the driven rollers, and the rotation axis of the second chain wheels is perpendicular to the axis of the driven rollers.

The invention is further provided with: the first heating assembly comprises a plurality of first heating pieces which are arranged in the first accommodating groove at intervals, the second heating assembly comprises a plurality of second heating pieces which are arranged in the second accommodating groove at intervals, and the first heating pieces and the second heating pieces are arranged in a staggered mode in the conveying direction of the driving roller.

The invention is further provided with: the first forging roller comprises a first rotating shaft, a first roller body fixedly connected with the first rotating shaft, and a first roller rotationally sleeved on the first rotating shaft, and a first die cavity positioned at the rearmost end of the first driving assembly in the conveying direction is positioned in the first roller;

the second forging roller comprises a second rotating shaft, a second roller body fixedly connected with the second rotating shaft, and a second roller rotationally sleeved on the second rotating shaft, and a second die cavity positioned at the tail end of the first driving component in the conveying direction is positioned in the second roller;

the speed increasing mechanism comprises a toothed ring fixedly connected with the peripheral wall of the first roller body or the second roller body, a driven gear fixedly connected with the first roller body or the second roller body, a supporting shaft rotatably supported on the inner side wall of the box body and parallel to the first rotating shaft, a first transmission gear fixedly connected with the supporting shaft and meshed with the toothed ring, and a second transmission gear fixedly connected with the supporting shaft and meshed with the driven gear, wherein the diameter of the toothed ring is larger than that of the first transmission gear, and the diameter of the second transmission gear is larger than that of the driven gear.

The invention is further provided with: the first rotating shaft and one end of the second rotating shaft extend to the outside of the box body and are respectively and fixedly connected with a first worm wheel and a second worm wheel, a first worm and a second worm which are respectively meshed with the first worm wheel and the second worm wheel are rotatably supported on the outer side wall of the box body through shaft seats, thread grooves of the first worm and the second worm are opposite in rotation direction, the first worm and the second worm are coaxially and fixedly connected, and one end of the first worm is fixedly connected with a third driving motor.

The invention is further provided with: the cooling box with the open top is arranged below the discharge hole, connecting rods are respectively connected to two opposite sides of the top of the cooling box in a rotating mode, a third worm wheel is fixedly connected to the top end of each connecting rod, a third worm is rotatably supported on the outer side wall of the cooling box through a shaft seat, a fourth driving motor is fixedly connected to the end portion of each third worm, a placement plate is fixedly connected to the bottom end of each connecting rod on two sides, the placement plate is arranged in an arc mode around the rotation axis of each connecting rod, and a plurality of water inlet holes are formed in the placement plate.

The invention is further provided with: the plurality of water inlet holes comprise a plurality of first water inlet holes and a plurality of second water inlet holes, one end, far away from the connecting rod rotation axis, of each second water inlet hole deflects towards a direction far away from each other, and the first water inlet holes and the second water inlet holes are staggered on the connecting rod rotation axis.

The beneficial effects of the invention are as follows:

1. by arranging the heating part, the forging part and the heat treatment part to match, when the blank is processed, the blank in a section shape is pushed into the box body from the feeding hole, at the moment, the first driving component is started, when the first driving plate rotates, the blank enters the first accommodating groove, the first heating component is used for heating, the blank transversely moves and corresponds to the first through hole, at the moment, the driving roller is started, the blank longitudinally moves to the forging part through the through hole, the blank entering between the first forging roller and the second forging roller moves in the first die groove and the second die groove, the heated blank forms a tooth-shaped structure under the action of forging teeth until the first forging roller and the second forging roller drive the blank to completely pass through forging, the first forging roller and the second forging roller are simultaneously reversed to drive the blank to return to the heating cavity, at the moment, the first driving component is started again, the blank is transversely moved for the second time, similarly, under the action of the driving roller, the blank passes through the first through hole and is subjected to secondary forging and pressing of the first forging press roller and the second forging press roller and tertiary forging and pressing, so that the blank is finally molded, after the blank is subjected to the final forging and pressing, the blank completely enters the heat treatment cavity due to the fact that the rotating speeds of the first roller and the second roller are higher, at the moment, the second driving assembly is started, when the second driving plate rotates, the blank enters the second accommodating groove, the second heating piece is used for further heating, and simultaneously, when the blank sequentially enters the heat treatment cavity, the second driving assembly pushes the blank to gradually transversely move until the blank passes through the discharge hole and moves to the outside of the box body, workers are convenient for cooling the blank, and therefore, the whole processing process is completed, through the steps, the blank can be continuously processed, the process of frequently feeding the blank from the die is omitted, the production efficiency is improved, the limitation on the length of the blank is small, and materials with longer sizes can be processed;

2. by arranging the box body, the condition that heat is escaped in the heating process of the blank is reduced, so that the energy loss is reduced, and the environmental protection property is improved;

3. the diameter of the top circle of the forging tooth on the first forging press roller is gradually increased, and the depth of the second die groove on the second forging press roller is gradually matched and increased, so that the blank is gradually molded in the process of forging for many times, and after the blank returns into the heating cavity, the blank can be continuously heated through the first heating piece, so that the precision of the molded blank is higher;

4. the first heating pieces are arranged on the first driving plate at intervals, the second heating pieces are arranged on the second driving plate at intervals, and the first heating pieces and the second heating pieces are integrally arranged in a staggered mode, so that blanks cannot interfere with the blanks in the heat treatment part when entering the heat treatment part from the heating part, and the blanks are convenient to feed and discharge on two sides of the first driving assembly and feed and discharge on two sides of the second driving assembly;

5. through setting up the cooling tank to set up the board of placing that can swing in the cooling tank, when the blank carries to the box outside through the discharge gate, accept the blank through placing the board, then through starting fourth driving motor and passing through the transmission of third worm wheel and third worm, make the connecting rod drive place the board and swing in the coolant liquid, thereby can make the blank contact the coolant liquid completely, cool off fast, and when placing the board and carry out the wobbling in-process, because first inlet port and second inlet port are the slope setting, when placing the board and swing towards one side, first inlet port with bottom opening and liquid flow direction are relative guides the coolant liquid to place the board upper strata, and top opening and liquid flow direction are relative second inlet port are with the coolant liquid direction to place the board lower floor, make the coolant liquid accomplish the convection fast, otherwise, when placing the board and swing towards the other side, the coolant liquid reverse convection, the coolant liquid that places the board below temperature is lower can be through the repetition cycle, accomplish the heat exchange fast with the blank, promote the cooling rate.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the present invention.

Fig. 2 is an overall cross-sectional view of a housing portion of the present invention.

Fig. 3 is a schematic view of the structure of the case portion in the present invention.

Fig. 4 is a schematic view of the structure of the inside of the case in the present invention.

Fig. 5 is a partial enlarged view of a portion a in fig. 4.

FIG. 6 is a schematic view showing the overall structure of the forging portion according to the present invention.

Fig. 7 is a schematic view showing a partial structure of a cooling tank in the present invention.

In the figure: 1. a case; 2. a heating section; 3. a forging part; 4. a heat treatment section; 5. a first separator; 6. a second separator; 7. a first port; 8. a second port; 9. a driving roller; 10. a first drive assembly; 11. a first heating assembly; 12. a feed inlet; 13. a connecting gear; 14. an intermediate gear; 15. a rotating motor; 16. a first sprocket; 17. a first drive chain; 18. a first driving motor; 19. a first driving plate; 20. a first accommodating groove; 21. a first heating member; 22. driven roller; 23. a second drive assembly; 24. a second heating assembly; 25. a discharge port; 26. a second drive chain; 27. a second driving motor; 28. a second driving plate; 29. a second accommodating groove; 30. a second heating member; 31. a first forging roller; 32. a second forging roller; 33. a first rotating shaft; 34. a first roller body; 35. a first roller; 36. a second rotating shaft; 37. a second roller body; 38. a second roller; 39. a first worm wheel; 40. a second worm wheel; 41. a first worm; 42. a second worm; 43. a third driving motor; 44. a first die cavity; 45. forging and pressing the teeth; 46. a second mold cavity; 47. a speed increasing mechanism; 48. a toothed ring; 49. a driven gear; 50. a support shaft; 51. a first transmission gear; 52. a second transmission gear; 53. a cooling box; 54. a connecting rod; 55. a third worm wheel; 56. a third worm; 57. a fourth driving motor; 58. placing a plate; 59. a first water inlet hole; 60. a second water inlet hole; 61. a second sprocket.

Detailed Description

The invention will be further described with reference to the following detailed drawings, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.

As shown in fig. 1 to 7, a forging and pressing heat treatment integrated device for producing a rack comprises a box body 1, and a heating part 2, a forging and pressing part 3 and a heat treatment part 4 which are sequentially arranged along a line in the box body 1, wherein a first partition plate 5 and a second partition plate 6 are respectively arranged in the box body 1 in the directions of two sides of the forging and pressing part 3, a plurality of first through holes 7 are formed in the first partition plate 5, and a plurality of second through holes 8 are formed in the second partition plate 6. The heating cavity, the forging cavity and the heat treatment cavity are formed by separating the first partition board 5 and the second partition board 6 in the box body 1, and the heat escaping condition in the blank heating process is reduced by arranging the relatively sealed cavity, so that the energy loss is reduced.

The heating part 2 comprises a plurality of driving rollers 9, a first driving assembly 10 and a first heating assembly 11, wherein the two ends of the driving rollers 9 are respectively rotatably supported in the box body 1, the first driving assembly 10 is used for driving blanks to move along the axial direction perpendicular to the driving rollers 9, the first heating assembly 11 is used for heating the blanks, a feeding hole 12 is formed in the side wall, close to one end of each driving roller 9, of the box body 1, one end of each driving roller 9 is sequentially connected through a gear assembly, each gear assembly comprises a connecting gear 13 and an intermediate gear 14, the connecting gears 13 are coaxially and fixedly connected to the end parts of the driving rollers 9 in a one-to-one correspondence mode, the intermediate gears 14 are located between the two adjacent connecting gears 13 in a one-to-one correspondence mode, one end of each driving roller 9 is connected with a rotating motor 15, and when the rotating motor 15 is started, the driving rollers 9 synchronously move through transmission of the connecting gears 13 and can longitudinally convey the blanks.

The first driving assembly 10 comprises two groups of first driving chains 17 which are respectively arranged on the inner walls of two opposite sides of the forging cavity through first chain wheels 16, a first driving motor 18 which is fixedly arranged on the outer wall of the box body 1 and connected with one first chain wheel 16, and a plurality of first driving plates 19 which are respectively and fixedly connected with chain links of the two groups of first driving chains 17 at two ends, wherein the first driving plates 19 are in one-to-one correspondence with the chain links of the first driving chains 17, a first accommodating groove 20 for accommodating blanks is formed in the surface, far away from the first chain wheels 16, of the first driving plates 19, the first driving plates 19 are positioned above the driving roller 9, and the rotation axis of the first chain wheels 16 is perpendicular to the axis of the driving roller 9. The first heating assembly 11 includes a plurality of first heating elements 21 arranged in the first receiving groove at intervals. The first heating member 21 may be provided as a heating plate, a heating wire, or an electromagnetic induction coil.

The heat treatment part 4 comprises a plurality of driven rollers 22 with two ends respectively rotatably supported in the box body 1, a second driving assembly 23 for driving the blanks to move along the axial direction perpendicular to the driven rollers 22, and a second heating assembly 24 for heating the blanks, wherein a discharge hole 25 is formed in the side wall of the box body 1, which is close to one end of the driven rollers 22, and the discharge hole 25 and the feed hole 12 are positioned on the same side wall of the box body 1.

The second driving assembly 23 includes two sets of second driving chains 26 respectively mounted on inner walls of two opposite sides of the heat treatment cavity through second chain wheels 61, a second driving motor 27 fixedly mounted on an outer wall of the box 1 and connected to one of the second chain wheels 61, and a plurality of second driving plates 28 with two ends respectively fixedly connected to chain links of the two sets of second driving chains 26, the second driving plates 28 are in one-to-one correspondence with the chain links of the second driving chains 26, a second accommodating groove 29 for accommodating blanks is formed in a surface, far away from the second chain wheels 61, of the second driving plates 28, the second driving plates 28 are located above the driven roller 22, and a rotation axis of the second chain wheels 61 is perpendicular to an axis of the driven roller 22. The second heating assembly 24 includes a plurality of second heating elements 30 spaced apart within the second receiving recess. The second heating member 30 may be provided as a heating plate, a heating wire, or an electromagnetic induction coil.

The first heating elements 21 and the second heating elements 30 are arranged in a staggered manner in the conveying direction of the driving roller 9, namely, the first driving assembly 10 is offset in a direction away from the feeding hole 12, and the second driving assembly 23 is offset in a direction close to the discharging hole 25, so that the first heating elements 21 and the second heating elements 30 are arranged in a staggered manner, blanks can not interfere with the blanks in the heat treatment part 4 when entering the heat treatment part 4 from the heating part 2, and the blanks are conveniently fed and discharged on two sides of the first driving assembly 10, and fed and discharged on two sides of the second driving assembly 23.

The forging portion 3 includes a first forging roller 31 and a second forging roller 32 rotatably supported at both ends thereof in the case 1, respectively, and arranged in the vertical direction, and the plurality of driving rollers 9 are parallel to the first forging roller 31 and the second forging roller 32. The first forging roller 31 comprises a first rotating shaft 33, a first roller body 34 fixedly connected to the first rotating shaft 33, and a first roller 35 rotatably sleeved on the first rotating shaft 33, and the second forging roller 32 comprises a second rotating shaft 36, a second roller body 37 fixedly connected to the second rotating shaft 36, and a second roller 38 rotatably sleeved on the second rotating shaft 36.

The first rotating shaft 33 and the second rotating shaft 36 are respectively extended to the outside of the box body 1 at one end and are respectively and fixedly connected with a first worm wheel 39 and a second worm wheel 40, a first worm 41 and a second worm 42 which are respectively meshed with the first worm wheel 39 and the second worm wheel 40 are rotatably supported on the outer side wall of the box body 1 through shaft seats, screw grooves of the first worm 41 and the second worm 42 are opposite in rotation direction, the first worm 41 and the second worm 42 are coaxially and fixedly connected, and a third driving motor 43 is fixedly connected with one end of the first worm 41.

The first forging roller 31 is provided with a plurality of first die grooves 44 extending circumferentially around the first forging roller, and the first die groove 44 positioned at the rearmost end of the conveying direction of the first driving assembly 10 is positioned at the first roller 35. A plurality of forging teeth 45 are uniformly distributed in the first die grooves 44 along the circumferential direction of the first forging roller 31, and a plurality of first die grooves 44 are uniformly distributed along the axial direction of the first forging roller 31.

The second forging roller 32 is provided with a plurality of second die grooves 46 extending circumferentially around the second forging roller, and the second die grooves 46 positioned at the rearmost end of the conveying direction of the first driving assembly 10 are positioned at the second roller 38. The second cavities 46 are uniformly distributed along the axial direction of the second forging roller 32 and are in one-to-one correspondence with the first cavities 44, the first through holes 7 are in one-to-one correspondence with the first cavities 44, and the second through holes 8 are in one-to-one correspondence with the first cavities 44.

In order to make the blank forming degree better, the tooth top circle diameter of the forging teeth 45 in the first die grooves 44 is sequentially increased in the driving direction of the first driving assembly 10, and the depth of the second die grooves 46 is sequentially increased in the driving direction of the first driving assembly 10, so that the blank is gradually formed in the process of forging and pressing for many times, and after the blank returns to the heating cavity, the blank can be continuously heated through the first heating piece 21, so that the precision of the formed blank is higher.

In order to enable the blank to enter the heat treatment part 4 after the last forging and pressing, speed increasing mechanisms 47 are arranged between the first roller 35 and the first roller 34 and between the second roller 38 and the second roller 37, the speed increasing mechanisms 47 comprise toothed rings 48 fixedly connected to the peripheral wall of the first roller 34 or the second roller 37, driven gears 49 fixedly connected to the first roller 35 or the second roller 38, supporting shafts 50 rotatably supported on the inner side walls of the box body 1 and parallel to the first rotating shafts 33, first transmission gears 51 fixedly connected to the supporting shafts 50 and meshed with the toothed rings 48, second transmission gears 52 fixedly connected to the supporting shafts 50 and meshed with the driven gears 49, the diameter of the toothed rings 48 is larger than that of the first transmission gears 51, and the diameter of the second transmission gears 52 is larger than that of the driven gears 49.

In order to realize rapid cooling of the heated blank, a cooling box 53 with an open top is arranged below the discharge hole 25, two opposite sides of the top of the cooling box 53 are respectively and rotatably connected with a connecting rod 54, the top end of one connecting rod 54 is fixedly connected with a third worm wheel 55, the outer side wall of the cooling box 53 is rotatably supported with a third worm 56 through a shaft seat, the end part of the third worm 56 is fixedly connected with a fourth driving motor 57, the bottom ends of the connecting rods 54 on two sides are fixedly connected with a placing plate 58, the placing plate 58 is arranged in an arc shape around the rotation axis of the connecting rod 54, and a plurality of water inlets are formed in the placing plate 58.

The plurality of water inlet holes comprise a plurality of first water inlet holes 59 and a plurality of second water inlet holes 60, one ends of the first water inlet holes 59 and the second water inlet holes 60, which are far away from the rotation axis of the connecting rod 54, are inclined towards the direction away from each other, and the first water inlet holes 59 and the second water inlet holes 60 are staggered on the rotation axis of the connecting rod 54.

When the blanks are conveyed to the outside of the box body 1 through the discharge hole 25, the blanks are received through the placement plate 58, then the fourth driving motor 57 is started to drive the placement plate 58 to swing in the cooling liquid through the transmission of the third worm wheel 55 and the third worm 56, so that the blanks can be completely contacted with the cooling liquid to be rapidly cooled, and in the swinging process of the placement plate 58, as the first water inlet hole 59 and the second water inlet hole 60 are obliquely arranged, when the placement plate 58 swings towards one side, the cooling liquid is guided to the upper layer of the placement plate 58 through the first water inlet hole 59, the opening at the bottom end of which is opposite to the flowing direction of the liquid, and the cooling liquid is guided to the lower layer of the placement plate 58 through the second water inlet hole 60, the opening at the top end of which is opposite to the flowing direction of the liquid, so that the cooling liquid can rapidly complete convection, otherwise, when the placement plate 58 swings towards the other side, the cooling liquid with lower temperature can be repeatedly circulated, and the blanks can rapidly complete heat exchange, and the cooling speed is improved.

The implementation principle of the invention is as follows:

when the blanks are processed, the blanks in a profile shape are pushed into the box body 1 from the feed inlet 12, at the moment, the first driving assembly 10 is started, when the first driving plate 19 rotates, the blanks enter the first accommodating groove 20, the first heating piece 21 is used for heating, the blanks transversely move and correspond to the first through hole 7, at the moment, the driving roller 9 is started, the blanks longitudinally move through the through hole towards the forging part 3, the blanks entering between the first forging roller 31 and the second forging roller 32 move in the first die groove 44 and the second die groove 46, the heated blanks form a tooth-shaped structure under the action of the forging teeth 45, until the first forging roller 31 and the second forging roller 32 drive the blanks to completely pass through forging, the first forging roller 31 and the second forging roller 32 are simultaneously reversed, the blanks are driven to return to the heating cavity, at the moment, the first driving assembly 10 is started again, the blanks are transversely moved for the second time, similarly, under the action of the driving roller 9, the blank passes through the first through hole and is forged and pressed twice and three times by the first forging roller 31 and the second forging roller 32, so that the blank is finally formed, after the blank is forged and pressed for the last time, the blank completely enters the heat treatment cavity due to the relatively high rotation speed of the first roller 35 and the second roller 38, at the moment, the second driving assembly 23 is started, when the second driving plate 28 rotates, the blank enters the second accommodating groove 29, the temperature is further raised through the second heating element 30, and simultaneously, when the blank sequentially enters the heat treatment cavity, the second driving assembly 23 pushes the blank to gradually move transversely until the blank passes through the discharge hole 25 and moves to the outside of the box body 1, the blank is convenient to be cooled by staff, and thus the whole processing process is completed, the process of frequently feeding and discharging the blank from the die is omitted, the production efficiency is improved, the length limitation of the blank is small, and materials with longer sizes can be processed.

The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, but is capable of various changes and modifications without departing from the spirit and scope of the invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (10)

1. A forging and pressing heat treatment integrative equipment for producing rack, its characterized in that: comprises a box body (1), and a heating part (2), a forging part (3) and a heat treatment part (4) which are sequentially arranged along the line in the box body (1);

the heating part (2) comprises a plurality of driving rollers (9) with two ends respectively rotatably supported in the box body (1), a first driving assembly (10) for driving blanks to move along the axial direction perpendicular to the driving rollers (9), and a first heating assembly (11) for heating the blanks, wherein a feeding hole (12) is formed in the side wall, close to one end of the driving rollers (9), of the box body (1), one end of each driving roller (9) is sequentially connected through a gear assembly, and one end of each driving roller (9) is connected with a rotating motor (15);

the forging part (3) comprises a first forging roller (31) and a second forging roller (32) which are respectively rotatably supported in the box body (1) at two ends and are arranged in the vertical direction, and a plurality of driving rollers (9) are parallel to the first forging roller (31) and the second forging roller (32);

the heat treatment part (4) comprises a plurality of driven rollers (22) with two ends respectively rotatably supported in the box body (1), a second driving assembly (23) for driving the blank to move along the direction perpendicular to the axis of the driven rollers (22), and a second heating assembly (24) for heating the blank, wherein a discharge hole (25) is formed in the side wall, close to one end of the driven rollers (22), of the box body (1).

2. A forging and pressing heat treatment integrated apparatus for producing a rack as recited in claim 1, wherein: the first forging roller (31) is provided with a plurality of first die grooves (44) extending around the circumference of the first forging roller, a plurality of forging teeth (45) are uniformly distributed in the first die grooves (44) along the circumference of the first forging roller (31), a plurality of first die grooves (44) are uniformly distributed along the axial direction of the first forging roller (31), the second forging roller (32) is provided with a plurality of second die grooves (46) extending around the circumference of the second forging roller, and a plurality of second die grooves (46) are uniformly distributed along the axial direction of the second forging roller (32) and are in one-to-one correspondence with a plurality of first die grooves (44).

3. A forging and pressing heat treatment integrated apparatus for producing a rack as recited in claim 2, wherein: the diameter of the tip circle of the forging teeth (45) in the first die grooves (44) is sequentially increased in the driving direction of the first driving assembly (10), and the depth of the second die grooves (46) is sequentially increased in the driving direction of the first driving assembly (10).

4. A forging and pressing heat treatment integrated apparatus for producing a rack as recited in claim 1, wherein: the box body (1) is internally provided with a first partition plate (5) and a second partition plate (6) in the directions of two sides of the forging and pressing part (3), a heating cavity, a forging and pressing cavity and a heat treatment cavity are formed by separating the first partition plate (5) and the second partition plate (6), a plurality of first through holes (7) which are in one-to-one correspondence with the first die grooves (44) are formed in the first partition plate (5), and a plurality of second through holes (8) which are in one-to-one correspondence with the first die grooves (44) are formed in the second partition plate (6).

5. A forging and pressing heat treatment integrated apparatus for producing a rack as recited in claim 4, wherein: the first driving assembly (10) comprises two groups of first transmission chains (17) which are respectively arranged on the inner walls of two opposite sides of the forging cavity through first chain wheels (16), a first driving motor (18) which is fixedly arranged on the outer wall of the box body (1) and connected with one first chain wheel (16), and a plurality of first driving plates (19) which are respectively and fixedly connected with chain links of the two groups of first transmission chains (17) at two ends, wherein the first driving plates (19) are in one-to-one correspondence with the chain links of the first transmission chains (17), first accommodating grooves (20) for accommodating blanks are formed in the surfaces, far away from the first chain wheels (16), of the first driving plates (19) are positioned above the driving roller (9), and the rotation axis of the first chain wheels (16) is perpendicular to the axis of the driving roller (9).

The second driving assembly (23) comprises two groups of second transmission chains (26) which are respectively arranged on the inner walls of two opposite sides of the heat treatment cavity through second chain wheels (61), a second driving motor (27) which is fixedly arranged on the outer wall of the box body (1) and connected with one of the second chain wheels (61), and a plurality of second driving plates (28) which are respectively and fixedly connected with the chain links of the two groups of second transmission chains (26), wherein the second driving plates (28) are in one-to-one correspondence with the chain links of the second transmission chains (26), a second accommodating groove (29) for accommodating blanks is formed in the surface, away from the second chain wheels (61), of the second driving plates (28) is arranged above the driven roller (22), and the rotation axis of the second chain wheels (61) is perpendicular to the axis of the driven roller (22).

6. A forging and pressing heat treatment integrated apparatus for producing a rack as recited in claim 5, wherein: the first heating assembly (11) comprises a plurality of first heating elements (21) which are arranged in the first accommodating groove at intervals, the second heating assembly (24) comprises a plurality of second heating elements (30) which are arranged in the second accommodating groove at intervals, and the first heating elements (21) and the second heating elements (30) are arranged in a staggered mode in the conveying direction of the driving roller (9).

7. A forging and pressing heat treatment integrated apparatus for producing a rack as recited in claim 6, wherein: the first forging and pressing roller (31) comprises a first rotating shaft (33), a first roller body (34) fixedly connected to the first rotating shaft (33), and a first roller (35) rotationally sleeved on the first rotating shaft (33), wherein a first die cavity (44) positioned at the tail end of the first driving assembly (10) in the conveying direction is positioned at the first roller (35);

the second forging roller (32) comprises a second rotating shaft (36), a second roller body (37) fixedly connected to the second rotating shaft (36), and a second roller (38) rotationally sleeved on the second rotating shaft (36), and a second die cavity (46) positioned at the tail end of the first driving assembly (10) in the conveying direction is positioned at the second roller (38);

the novel roller comprises a first roller body (35), a second roller body (38) and a speed increasing mechanism (47) arranged between the first roller body (34) and between the second roller body (38) and the second roller body (37), wherein the speed increasing mechanism (47) comprises a toothed ring (48) fixedly connected with the peripheral wall of the first roller body (34) or the second roller body (37), a driven gear (49) fixedly connected with the first roller body (35) or the second roller body (38), a supporting shaft (50) rotatably supported on the inner side wall of the box body (1) and parallel to the first rotating shaft (33), a first transmission gear (51) fixedly connected with the supporting shaft (50) and meshed with the toothed ring (48), a second transmission gear (52) fixedly connected with the supporting shaft (50) and meshed with the driven gear (49), the diameter of the toothed ring (48) is larger than that of the first transmission gear (51), and the diameter of the second transmission gear (52) is larger than that of the driven gear (49).

8. A forging and pressing heat treatment integrated apparatus for producing a rack as recited in claim 7, wherein: the first rotating shaft (33) and one end of the second rotating shaft (36) extend to the outside of the box body (1) and are fixedly connected with a first worm wheel (39) and a second worm wheel (40) respectively, a first worm (41) and a second worm (42) which are meshed with the first worm wheel (39) and the second worm wheel (40) respectively are rotatably supported on the outer side wall of the box body (1) through shaft seats, the rotation directions of thread grooves of the first worm (41) and the second worm (42) are opposite, the first worm (41) and the second worm (42) are coaxially and fixedly connected, and a third driving motor (43) is fixedly connected to one end of the first worm (41).

9. A forging and pressing heat treatment integrated apparatus for producing a rack as recited in claim 1, wherein: the cooling device is characterized in that a cooling box (53) with an open top is arranged below the discharge hole (25), connecting rods (54) are respectively connected to two opposite sides of the top of the cooling box (53) in a rotating mode, a third worm wheel (55) is fixedly connected to the top end of one connecting rod (54), a third worm (56) is rotatably supported on the outer side wall of the cooling box (53) through a shaft seat, a fourth driving motor (57) is fixedly connected to the end portion of the third worm (56), a placement plate (58) is fixedly connected to the bottom end of the connecting rod (54) on two sides, the placement plate (58) is arranged in an arc mode around the rotation axis of the connecting rod (54), and a plurality of water inlet holes are formed in the placement plate (58).

10. A forging and pressing heat treatment integrated apparatus for producing a rack as recited in claim 9, wherein: the plurality of water inlet holes comprise a plurality of first water inlet holes (59) and a plurality of second water inlet holes (60), one end, far away from the rotation axis of the connecting rod (54), of each first water inlet hole (59) and each second water inlet hole (60) is inclined towards a direction far away from each other, and the first water inlet holes (59) and the second water inlet holes (60) are distributed in a staggered mode on the rotation axis of the connecting rod (54).